David: after you check the turbo and if you have time can you get at the manifolds and remove them which is probably what you not want to hear but it should give you which cylinder is pumping oil. This is the quickest way to check even though it requires some work. Hope it is only the turbo
Regards Roger ----- Original Message ----- From: BoatRDavid <[email protected]> Date: Tuesday, October 5, 2010 10:19 am Subject: [UnifliteWorld] Re: 8.2L Detroit Diesel using oil To: UnifliteWorld <[email protected]> > DavidO here again. I was just writing to a friend about > the idea of a > leak in the oil cooler allowing oil into the cooling water and thus > out the exhaust. As I was writing, I realized that my oil > coolers are > in the coolant system and not the raw water side. > Therefore there is > no way for the oil to enter the exhaust. So I am back to > checking the > turbo seals. I will keep all informed of my findings. > > DavidO > > On Oct 4, 2:39 pm, David Oates <[email protected]> wrote: > > Thanks, when I get back to the boat, I will look into that process. > > > > DavidO > > > > --- On Mon, 10/4/10, e b <[email protected]> wrote: > > > > From: e b <[email protected]> > > Subject: Re: [UnifliteWorld] 8.2L Detroit Diesel using oil > > To: [email protected] > > Date: Monday, October 4, 2010, 2:36 PM > > > > a pressure test is the best way. if its is piped in with > flexible oil > > lines, simply remove the lines, plug one side of the cooler ( > or the end of the > > lines if it is easier ) and install a fitting with a gauge on > the other > > side and pressurize the cooler, it should be safe to 120 psi > or more but im > > sure 60 psi will be plenty.. if it doesn’t hold pressure its > bad.. if it is > > simpler you can do the opposite, pressurize the raw water side > of the cooler the > > same way, by plugging both ends, the air will then enter the > oil side of the > > cooler / engine but wont do any harm... > > > > Eric > > > > ----- Original Message ----- > > From: David > > > > Oates > > To: [email protected] > > > > Sent: Monday, October 04, 2010 7:51 > > AM > > Subject: Re: [UnifliteWorld] 8.2L Detroit > > Diesel using oil > > > > Eric, that's very interesting. Is there a way to > > determine if that is happening? It is extremely > difficult to > > reach/remove the oil cooler on that engine. That in > itself is a positive > > indicator that being the problem - Ha Ha. > > > > DavidO > > > > --- On Sun, 10/3/10, e b <[email protected]> wrote: > > > > From: > > e b <[email protected]> > > Subject: Re: [UnifliteWorld] 8.2L > > Detroit Diesel using oil > > To: > > [email protected] > > Date: Sunday, October 3, 2010, 1:47 > > PM > > > > my guess is the engine oil cooler has a pinhole in > it... since > > oil pressure is higher than water pressure, water > does not enter the > > oil system. your raw water leaves the cooler and > then goes into your > > exhaust and overboard... and you see a slick on one > side...> that’s my first thought ( it happenned to me ) > > > > Eric > > > > ----- Original Message ----- > > From: BoatRDavid > > > > To: UnifliteWorld > > > > Sent: Sunday, October 03, 2010 > > 1:34 PM > > Subject: [UnifliteWorld] 8.2L > > Detroit Diesel using oil > > > > My Uniflite (’84,42’,SE II) is powered by 8.2L > > Detroit Diesels. > > Starting this year (2010) I have noticed an oil > > slick that comes from > > the exhaust of my Starboard engine. I > > also noticed that when I first > > rev up that engine (to set the > > alternator to charge) I get a puff of > > white smoke. I just > > finished an annual, 10-day, cruise and I have > > been plagued by the > > oil slick and the oil consumption on that STBD > > engine. I > > have been worried about the engine as long as I > have owned > > the > > boat because it is older than the Port engine > (indicating> that > > some former owner may have abused them) and it exhibits low > > oil > > pressure (~40 psi which drops to nil at idle) and has always > > use oil > > more so than the newer Port engine. > > > > This latest > > excessive use of oil is unacceptable and I am thinking > > about a > > rebuild or replacement. The engine has about 1850 > hours. > The > > oil definitely ends up out the exhaust and on to the water. > > My first > > thought is about blow-by. Now I’m wondering if > > there is somewhere > > that a seal could have gone bad allowing the > > oil into the exhaust, say > > in or around the turbo charger. I > > am going to check the actual oil > > pressure, but I don’t know what > > else to do, and that doesn’t suggest > > anything about the cause of > > the excessive usage. > > > > Now that I am writing this down it has > > accrued to me that I am not > > burning the oil. There is no > > smoke! And, there is no blow-by present > > at the > > breather. There is no dripping or leaking oil from > > the > > engine. There is just a lot of oil being dumped into > > the exhaust – > > like a couple of quarts each day. > > > > Does > > anyone have any suggestions? I have yet to find a > mechanic> in > > the SF Bay Area that truly know about the marine version of > > this > > engine (but I’m about to try again). > > > > DavidO > > > > -- > > > > You received this message because you are subscribed to the > > Google Groups "UnifliteWorld" group. > > To post to this group, send > > email to [email protected]. > > To > > unsubscribe from this group, send email to > [email protected].> For > > more options, visit this group > athttp://groups.google.com/group/unifliteworld?hl=en.> > > -- > > You received this message because you are subscribed to > > the Google Groups "UnifliteWorld" group. > > To post to this group, > > send email to [email protected]. > > To unsubscribe from > > this group, send email to > > [email protected]. > > For more options, visit > > this group at > > http://groups.google.com/group/unifliteworld?hl=en. > > > > -- > > You received this message because you are subscribed to the > > Google Groups "UnifliteWorld" group. > > To post to this group, send email to > > [email protected]. > > To unsubscribe from this group, send email > > to [email protected]. > > For more options, visit this > > group athttp://groups.google.com/group/unifliteworld?hl=en. > > > > -- > > > > You received this message because you are subscribed to the > Google Groups "UnifliteWorld" group. > > > > To post to this group, send email to [email protected]. > > > > To unsubscribe from this group, send email to > [email protected].> > > For more options, visit this group > athttp://groups.google.com/group/unifliteworld?hl=en. > -- > You received this message because you are subscribed to the > Google Groups "UnifliteWorld" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected] more options, > visit this group at > http://groups.google.com/group/unifliteworld?hl=en. > -- You received this message because you are subscribed to the Google Groups "UnifliteWorld" group. 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